Yettwasezmel 4 ɣef 5 n yetran

sɛur Hb di March 3, 2012 · aseɣwen yezgan

Works under Seamonkey 2, too!
Needed to add the targetApplication in install.rdf [1] and to set extensions.thunderbox.boxen.0.addressbookURI = "moz-abmdbdirectory://abook.mab" [2].

[1] http://forums.mozillazine.org/viewtopic.php?f=19&t=500361&start=1710#p11382371
[2] about:config